Advertisements
Advertisements
प्रश्न
Define the term potential energy of a body.
Advertisements
उत्तर
The energy possessed by a body by virtue of its specific position (or changed configuration) is called the potential energy.
APPEARS IN
संबंधित प्रश्न
State two factors on which the potential energy of a body at a certain height above the ground depends.
Two bodies A and B of masses 10 kg and 20 kg respectively are at the same height above the ground. Which of the two has greater potential energy?
A body of mass m is moved from ground to a height h. If the force of gravity on mass of 1 kg is g newton, find the force needed to lift the body.
A body of mass m is moved from ground to a height h. If force of gravity on mass of 1 kg is g newton, find the work done in lifting the body.
A body falls freely under gravity from rest. Name the kind of energy it will possess at the point from where it falls.
To what height should a box of mass 150 kg be lifted, so that its potential energy may become 7350 joules? (g = 9.8 m/s2)
Prove that the kinetic energy of a freely falling object on reaching the ground is nothing but the transformation of its initial potential energy.
If we increase the velocity of a car moving on a flat surface to four times its original speed, its potential energy ______.
How much energy is gained by a box of mass 20 kg when a man, raises the box by 0.5 m in order to place it inside the bus? (g=10 m/s-2)
Potential energy and heat energy are the two forms of mechanical energy.
